Home / 3,438.05-5,147.96-2,554.74

Finding the Fourth Proportional to 3,438.05, 5,147.96 and 2,554.74

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Solution

The fourth proportional to 3,438.05, 5,147.96 and 2,554.74 is: 3,825.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,438.05 : 5,147.96 = 2,554.74 : x
  2. Step 2: Convert to fraction form
    3,438.05/5,147.96 = 2,554.74/x
  3. Step 3: Cross multiply
    3,438.05x = 5,147.96 × 2,554.74
  4. Step 4: Simplify right side
    3,438.05x = 13,151,686.56
  5. Step 5: Solve for x
    x = 13,151,686.56/3,438.05
  6. Step 6: Final answer
    x = 3,825.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.